Limit the number of tasks that can shuffle for cpu rebalance at once#1751
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baconmania
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Mar 1, 2018
| for (TaskIdWithUsage taskIdWithUsage : possibleTasksToShuffle) { | ||
| if (cpuOverage <= 0 || shuffledTasks > configuration.getMaxTasksToShuffleForCpuOverage()) { | ||
| if (requestsWithShuffledTasks.contains(taskIdWithUsage.getTaskId().getRequestId())) { | ||
| LOG.debug("Request {} laready has a shuffling task, skipping", taskIdWithUsage.getTaskId().getRequestId()); |
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Going to merge this one and start other changes in a new PR |
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Add a cluster-wide limit as well as a per-slave limit for how many tasks we can shuffle around at once